Melisa Arevalo defeated Daniela Olivera 6-3 6-3 in the Santiago 10K qualifying round on clay. Melisa Arevalo extended the head-to-head to 4–3.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2001-03-05 | Mexico Circuit 1 40K | QF | hard | Daniela Olivera | 7-6 6-2 |
| 2000-05-15 | Poza Rica 10K | F | hard | Daniela Olivera | 6-1 6-4 |
| 1999-11-22 | Campos 10K | R16 | clay | Daniela Olivera | 7-6 6-4 |
| 1999-09-06 | Buenos Aires 10K | QF | clay | Melisa Arevalo | 6-4 3-6 7-5 |
| 1998-08-31 | Guayaquil 10K | QF | clay | Melisa Arevalo | 6-3 3-6 6-1 |
| 1998-08-18 | Ibarra 10K | F | clay | Melisa Arevalo | 6-4 6-1 |